khanat-code-old/code/ryzom/tools/client/ryzom_installer/src/downloader.h

91 lines
2.2 KiB
C++

// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef DOWNLOADER_H
#define DOWNLOADER_H
class IOperationProgressListener;
/**
* Files downloader, please note that only one file can be downloaded at once.
*
* \author Cedric 'Kervala' OCHS
* \date 2016
*/
class CDownloader : public QObject
{
Q_OBJECT
public:
CDownloader(QObject *parent, IOperationProgressListener *listener);
virtual ~CDownloader();
bool getHtmlPageContent(const QString &url);
bool prepareFile(const QString &url, const QString &fullPath);
bool getFile();
bool supportsResume() const { return m_supportsAcceptRanges && m_supportsContentRange; }
bool isDownloading() const { return m_file != NULL; }
signals:
void htmlPageContent(const QString &html);
private slots:
void onTimeout();
void onHtmlPageFinished();
void onHeadFinished();
void onDownloadFinished();
void onError(QNetworkReply::NetworkError error);
void onDownloadProgress(qint64 current, qint64 total);
void onDownloadRead();
protected:
IOperationProgressListener *m_listener;
void startTimer();
void stopTimer();
bool openFile();
void closeFile();
void getFileHead();
void downloadFile();
bool checkDownloadedFile();
QNetworkAccessManager *m_manager;
QNetworkReply *m_reply;
QTimer *m_timer;
QString m_url;
QString m_referer;
QString m_fullPath;
qint64 m_offset;
qint64 m_size;
QDateTime m_lastModified;
bool m_supportsAcceptRanges;
bool m_supportsContentRange;
bool m_downloadAfterHead;
QFile *m_file;
};
#endif